Dr Zoe Williams

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Each week a group of four famous faces go toe to toe in testing their general knowledge skills in a variety of entertaining games.

Michael McIntyre hosts a gameshow packed with huge stars, big laughs and a giant spinning wheel. Can the contestants, guided by celebrity experts, answer their way to a fortune?

All five of the Chasers appear together to take on all comers and form the best quiz team in the world. As they visit different UK cities, contestants from all over the county face head-to-head challenges with not one, but all the Chasers.

Getting everyone ready for a Six Nations weekend. Gabby Logan and Gareth Thomas are joined by stars and famous fans to look ahead with previews, predictions and a packed crowd.

Horizon interviews some experts and looks at the matters which can change our lives in the future, like: climate change, the future of transport, energy production, gene therapy, artificial intelligence, among other things.